private void HandleTriggerNotification(TriggerUpdateNotification updateNotification)
{
if (updateNotification == null)
{
Log.WarnFormat(CultureInfo.InvariantCulture, "Worker {0} received a null TriggerUpdateNotification.", InstanceId);
return;
}
if (!NotificationForcesUpdate(updateNotification))
{
Log.DebugFormat(CultureInfo.InvariantCulture,
"Skipping trigger update for User={0}, TransactionId={1}. No update required.",
updateNotification.UserId, updateNotification.TransactionId);
return;
}
UpdateUserTriggers(updateNotification);
}
private void UpdateUserTriggers(TriggerUpdateNotification updateNotification)
{
if (updateNotification.TriggerType == TriggerType.Buy)
{
Log.DebugFormat(CultureInfo.InvariantCulture, "Updating buy triggers for user with Id={0}.", updateNotification.UserId);
UpdateBuyTriggersForUser(updateNotification.UserId, updateNotification.UserDbId);
}
else
{
Log.DebugFormat(CultureInfo.InvariantCulture, "Updating sell triggers for user with Id={0}.", updateNotification.UserId);
UpdateSellTriggersForUser(updateNotification.UserId, updateNotification.UserDbId);
}
}
private bool NotificationForcesUpdate(TriggerUpdateNotification updateNotification)
{
// Only update the trigger list if the trigger is for an unknown user or if the user's triggers have been
// updated since the last pull from the trigger repository. This reduces repository load if a users makes quick,
// successive updates to their trigger list.
return !_lastUpdated.ContainsKey(updateNotification.UserId) ||
updateNotification.UpdatedAt >= _lastUpdated[updateNotification.UserId];
}
